CN1116628A - Cyclopeptides of the formulal - Google Patents

Cyclopeptides of the formulal Download PDF

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CN1116628A
CN1116628A CN95105200A CN95105200A CN1116628A CN 1116628 A CN1116628 A CN 1116628A CN 95105200 A CN95105200 A CN 95105200A CN 95105200 A CN95105200 A CN 95105200A CN 1116628 A CN1116628 A CN 1116628A
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asp
arg
gly
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acid
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CN1161374C (en
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A·琼兹希克
G·霍尔泽曼
S·古德曼
H·凯斯勒
R·豪布纳
J·沃玛司
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Merck Patent GmbH
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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • C07K7/52—Cyclic peptides containing at least one abnormal peptide link with only normal peptide links in the ring
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    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract

The invention relates to novel cyclopeptides of the formula I cyclo-(Arg-A-Asp-R1-R2)I. These compounds act as integrin inhibitors and can be used in particular for the prophylaxis and treatment of disorders of the circulation, bones and in tumour therapy, and as antimicrobial and antiviral active compounds.

Description

Cyclic peptide
The present invention relates to the new cyclic peptide of formula I
Ring-(Arg-A-Asp-R 1-R 2) I wherein
A is Gly or Ala,
R 1Be 2-carboxyl-8-amino-4-sulfo-piperolidine-9-ketone (Btd), O-amino methyl-O '-carboxyl biphenyl (Biph), 2-amino methyl-5-carboxyl methyl-thiophene (Act), or 6-hexosamine residue (Aha) or 2-(1,7-diaza spiro [4.4] ninth of the ten Heavenly Stems-7-yl)-4-methylvaleric acid ((S, S) spiral shell-Pro-Leu) or 2-(3-amino-1-tetramethyleneimine-2-ketone group)-4-methylvaleric acid residue ((S) Gly[ANC-2]-Leu or (R) Gly[ANC-2]-Leu), residue is by the peptide bond bonding under each situation
R 2Do not exist or for Val and their physiologically acceptable salt.
Similar compound can be from Pharmazie 40 (8), and 532-5, know in (1985).
The objective of the invention is to find to have the new compound of valuable character, particularly those can be used to the compound in the medicament preparation, have now found that formula I compound and their salt have very useful characteristic.They are specially adapted to the integral protein inhibitor, and they have suppressed β especially in this article 3-or β 5Interaction between-integral protein acceptor and part.These compounds are to integral protein α vβ 1, a vβ 3, α vβ 5, α vβ 6And α 11bβ 3Especially effective, this effect can quilt, and for example J.W.Smith etc. recognizes at J.Biol.Chem.256, and the method described in 12267-12271 (1990) confirms.In addition they also have antiinflammation.All these act on, and known method confirms in the available document.
These compounds can be particularly suited for preventing and treating the vasculogenesis and the heart lobe restenosis of blood circulation imbalance, thrombosis, myocardial infarction, Coronary thrombosis heart trouble, arteriosclerosis, atherosclerosis, inflammation, apoplexy, stenocardia, tumour, molten osteopathy, particularly osteoporosis, vascularization postoperative as the active substance of medicament in people and the beasts medicine.In addition, they can have booster action in the wound treatment process.
Above and the abbreviation of hereinafter given amino-acid residue represent following amino-acid residue: Act 2-amino methyl thiophene-5-acetate Aha, 6-hexosamine Ala L-Ala Asn l-asparagine Asp aspartic acid Asp, (OR) aspartic acid, (β-ester) Arg arginine Biph O-amino methyl xenyl-O '-carboxylic acid Btd 8-amino-4-sulfo-piperolidine-
9-ketone-2-carboxylic acid Cys halfcystine Gln glutamine Glu L-glutamic acid Gly glycine Gly[ANC-2]-Leu 2-(3-amino-1-tetramethyleneimine
-2-ketone group)-4-methylvaleric acid His Histidine Ile Isoleucine Leu leucine Lys Methionin Met methionine(Met) Nle nor-leucine Orn ornithine Phe phenylalanine Pro proline(Pro) spiral shell-Pro-Leu 2-(1,7-diaza spiro [4,4]-6
The oxo ninth of the ten Heavenly Stems-7-yl)-4-methylvaleric acid Ser Serine Thr Threonine Trp tryptophane Tyr tyrosine Val Xie Ansuan in addition, hereinafter used abbreviation has following definition: BOC tert-butoxycarbonyl CBZ benzyloxycarbonyl DCCI dicyclohexyl carbodiimide DMF dimethyl formamide EDCI N-ethyl-N '-(3-dimethylaminopropyl) carbonization two
Inferior amine salt hydrochlorate Et ethyl Fmoc 9-fluorenyl methoxy carbonyl HOBT 1-hydroxybenzotriazole Me methyl Mtr 4-methoxyl group-2; 3; 6-trimethylphenyl alkylsulfonyl OBut tert.-butoxy OMe methoxyl group OEt oxyethyl group POA phenoxy group ethanoyl TBTu, 2-(1H-benzotriazole-1-base-1; 1; 3,3
-tetramethyl-Tetrafluoroboric acid urea TFA trifluoroacetic acid
Above-mentioned amino acid may have two or more enantiomeric forms, and then above and hereinafter, for example the integral part as formula I compound comprises all enantiomeric forms and their mixture (for example DL form).Amino acid as formula I compound integral part can be further by suitable protecting group protection.
The invention further relates to the preparation method of formula I compound or its a kind of salt, it is characterized in that this compound being released from its a kind of functional derivatives with solvolysis or hydrogenolysis agent treated
Perhaps handle the peptide of formula II with a kind of cyclizing agent
H—Z—OH II
Wherein Z is
-Arg-A-Asp-R 1-R 2-
-A-Asp-R 1-R 2-Arg-
-Asp-R 1-R 2-Arg-A-
-R 1-R 2-Arg-A-Asp-or
-R 2-Arg-A-Asp-R 1-, or the reactive derivatives of this peptide, and/or be converted into its a kind of salt by alkalescence or the acidic cpd that makes formula I with acid or alkaline purification.
Unless stated otherwise, residue A, the R in the upper and lower literary composition 1, R 2Identical with the implication of Z with implication among formula I and the II.
Residue (S, S) spiral shell-Pro-Leu is 2-(1,7-diaza spiro [4, the 4]-6-oxo ninth of the ten Heavenly Stems-7-yl)-4-methylvaleric acid residue, and has following structure:
Residue (S) Gly[ANC-2]-Leu or (R) Gly [ANC-2]-Leu be 3 (S)-or 3 (R)-2-(3-amino-1-tetramethyleneimine-2-ketone group)-4-methyl or sour residue,
Figure A9510520000102
Biph is O-amino methyl xenyl-O '-carboxylic acid residues, and Biph 1 and Biph 2 are possible atropisomer.
Residue R 1As residue R 2The same, all definition that provide previously are preferred equally.Therefore the present invention relates to ring pentapeptide and cyclic tetrapeptide equally.
A is preferably Gly, but also can be Ala, especially DAla.
The compound of formula I, and the reactant for preparing them, be to prepare with known method in addition, as as described in the literature (for example at classic such as Houben-Weyl, Methodender Organischen Chemie[organic chemistry method] (Methods of OrganicChemistry), (Georg-Theime-Verlag.Stuttgart) is especially known and be applicable under the condition of the reaction of being mentioned and carry out.Also can utilize do not mention in detail in this article known to improve one's methods.
(R)-and (S)-formula peptide composition Gly[ANC-2]-Leu can be by people such as R.M.Freidinger at J.Org.Chem.47, and the method described in 104 (1982) makes.Spiral shell-Pro-Leu composition then can be by being similar to people such as P.Ward at J.Med.Chem.33, and the method described in the 1848++ (1990) makes.The synthetic of Btd then can be by people such as U.Nagai at Tetrahedron 49, and method is carried out described in 3577-3592 (1993).
If desired, starting material also can form on the spot, therefore needn't from reaction mixture they be separated but the compound of directly further reacting generating I.
Formula I compound can be used solvolysis, particularly hydrolysis, or discharges formula I compound with the method for hydrogenolysis from their functional derivatives and prepare.
The preferred starting material that is used for solvolysis or hydrogenolysis is those compounds that contain (substituting one or more free amino and/or hydroxyl) protected amino and/or hydroxyl; preferably those contain; (substitute be connected in a nitrogen former) in a last hydrogen atom; an amino protecting group; for example those conform to formula I but contain, and (substitute NH 2Base) (wherein R ' is an amino protecting group to a NHR ' base, for example: the compound of Fmoc, BOC or CBZ.
Other preferred starting materials are those (substituting the hydrogen atoms in the hydroxyl) has the compound of hydroxyl protecting group that for example those conform to formula I but contain a R who substitutes hydroxy phenyl " compound of O-phenyl (wherein R " be hydroxyl protecting group).
Also may exist two or more identical or different protected amino and/or hydroxyls in the molecule of starting material, if the protecting group that exists differs from one another, then they can optionally be removed in many cases.
Term " amino protecting group " is normally known to be related to those and has the ability that amino of protection (sealing) is not participated in chemical reaction; but the base that can be easy to be removed after the needed chemical reaction of the other parts of molecule has been implemented closes; particularly, these groups are representational is unsubstituted or substituted acyl group, aryl, aralkoxy methyl or aralkyl.Because amino protecting group is removed after required reaction (or reaction sequence), their character and size are unimportant in others; But those have 1-20, and especially the protecting group of 1-8 carbon atoms is preferred.Term " acyl group " should be considered on the broad sense in the method for the invention; it comprises the acyl group of deriving and from aliphatics, aromatic yl aliphat, aromatic series or heterocyclic carboxylic acid or sulfonic acid; especially alkoxy carbonyl, aryloxycarbonyl and, aromatic alkoxy carbonyl particularly.The example of such acyl group is alkyloyl such as ethanoyl, propionyl and butyryl radicals; Aralkanoyl such as phenylacetyl; Aroyl such as benzoyl or toluyl; Aryloxy group alkyl acyl group such as POA; Alkoxy carbonyl such as methoxycarbonyl, ethoxy carbonyl, 2,2,2-trichlorine ethoxy carbonyl, BOC and 2-iodo ethoxy carbonyl; Aromatic alkoxy carbonyl such as CBZ (carbobenzoxy-(Cbz)), 4-methoxyl group benzyloxy base carbonyl and Fmoc; With aryl sulfonyl such as Mtr.Preferred amino protecting group is BOC and Mtr, also has CBZ, Fmoc, benzyl and ethanoyl.
Term " hydroxyl protecting group " is usually known equally and relates to those and have the protection hydroxyl and do not participate in the group of chemical reaction ability, but these groups are easy to remove after the required chemical reaction of molecule other parts has been implemented.Such group is representational to be above-mentioned unsubstituted or the aryl, arylalkyl or the acyl group that replace, also has alkyl.Because these groups are removed again behind needed chemical reaction or reaction sequence, so the character of hydroxyl protecting group and size are very unimportant; 1-20, especially the hydroxyl protecting group of 1-10 carbon atoms is preferred.The example of hydroxyl protecting group comprises benzyl, p-nitrophenyl formyl radical, p-toluenesulfonyl, the tertiary butyl and ethanoyl, and wherein the benzyl and the tertiary butyl are particularly preferred.(for example, Asp (OBut) is protected better with their tert-butyl ester form for COOH base in aspartic acid and L-glutamic acid.
The formula I compound functions derivative that is used as starting material can prepare with the method for amino acid and peptide synthetic routine, as the method for in above-mentioned authoritative works and patent application, being narrated, the solid phase method of Merrifield (B.F.Gysin and R.B.Merri-field for example, J.Am.Chem.Soc, 94,3102 and following etc. (1972)) especially preferred be synthetic by the Fmoc scheme in flow reactor, this method by A.Jonczyk and J.Meienhofer at Peptides, Proc.8th.Am.Pept.Symp.73-77 (1983) (Eds.V.J.Hruby.and D.H.Rich) narrates among the Pierce Co.Rockford.
The character of used protecting group is depended in the enforcement that discharges the compound of formula I from formula I compound functions derivative; for example use strong acid; more advantageously with TFA or perchloric acid; or with other strong inorganic acid example hydrochloric acid or sulfuric acid; strong organic carboxyl acid; as trichoroacetic acid(TCA), or sulfonic acid such as benzene-or right-toluenesulphonic acids.It is possible but always unessential additionally having a kind of inert solvent, and suitable inert solvent better is an organic acid, for example carboxylic acid such as acetate, ether such as tetrahydrofuran (THF) Huo diox, acid amides such as DMF, halohydrocarbon such as methylene dichloride, as methyl alcohol, ethanol or Virahol, also has water with pure.The mixture of above-mentioned solvent also suits.Being excessive use TFA and do not need to add other solvent preferably, is that the form of 9: 1 mixture is used and perchloric acid is ratio with acetate and 70% perchloric acid preferably.The cracked temperature of reaction is more advantageously at about 0 ℃ to about 50 ℃, preferred 15 to 30 ℃ (room temperature).
For example, group B OC, OBut and Mtr can more advantageously remove in methylene dichloride with TFA or remove under 15-30 ℃ in dioxan with 3～5nHCl, and the solution of secondary amine in DMF such as the dimethylamine of removing available about 5～50% concentration, diethylamine or the piperidines of Fmoc group carry out in 15～30 ℃.
Can be enough by protecting group (for example, CBZ or the benzyl) energy that hydrogenolysis is removed, for example, hydrogen is handled under catalyzer (for example, noble metal catalyst such as palladium more advantageously are stated from the gac) exists and is removed.In this respect, appropriate solvent is given above those, and is particularly pure as methyl alcohol or ethanol, or acid amides such as DMF.Hydrogenolysis is normally under about 0～100 ℃ temperature and under the pressure of about 1～200 crust, preferably 20～30 ℃ and the down enforcement of 1-10 crust, for example, the hydrogenolysis of CBZ base more advantageously (replaces H with 5～10%Pd-C in 20～30 ℃ in methyl alcohol or with ammonium formiate 2) finish in methyl alcohol/DMF in Pd-C is last.
Formula I compound also can obtain by cyclisation formula II compound under the condition of synthetic peptide, the preferred method of peptide synthesis routinely of this reaction, and as Houben-Weyl, Volume 15/II, the method described in the page1-806 (1974) is carried out.
Reaction is preferably having in the presence of the dewatering agent, for example carbodiimide such as DCCI or EDCI, (compare Angew.Chem with the propyl-phosphine acid anhydride, 92,129 (1980), diphenylphosphine acylazide thing or 2-oxyethyl group-N-ethoxy carbonyl-1,2-dihydroquinoline is in inert solvent, for example halohydrocarbon such as methylene dichloride, ether are as four ammonia furans Huo dioxs, acid amides such as DMF or N,N-DIMETHYLACETAMIDE, nitrile such as vinyl cyanide, or in the mixture of these solvents, in approximately-10～40 ℃, carry out under preferred 0～30 ℃ temperature.In order to promote at intermolecular peptide preferably in dilute solution, to react in conjunction with preceding generation intramolecular cyclization.
In order to substitute formula II compound also can use these compounds in reaction suitable reactive derivatives; the derivative of those reactive groups protected base sealing for example in the centre; can use the amino acid derivative of formula II; for example; with their form of active ester, more advantageously on original position, form ester by adding HOBt or N-N-Hydroxysuccinimide.
The starting material of formula II is normally new, and their available known methods for example prepare with top peptide synthetic method of giving and the method for removing protecting group.
Usually, carry out the synthetic the first step and be preparation suc as formula R '-Z-OR " protected pentapeptide ester, BOC-Z-OMe or BOC-Z-OEt for example, the acid of these compound hydrolysis production R '-Z-OH, for example BOC-Z-OH; From these acid, remove protecting group R ', obtain the free peptide of formula H-Z-OH (II) thus.
The alkali of formula I can be changed into corresponding acid salt with acid, the acid of this reaction of particularly suitable is those those acid that can produce physiologically acceptable salt.For example, the representative examples of mineral pigments that can be used is a sulfuric acid, nitric acid, haloid acid example hydrochloric acid or Hydrogen bromide, phosphoric acid such as ortho-phosphoric acid, thionamic acid, and organic acid, particularly aliphatic, alicyclic ring, araliphatic, single or the polycarboxylic acid of aromatic series or heterocyclic, sulfonic acid or sulfuric acid, for example, formic acid, acetate, propionic acid, PIVALIC ACID CRUDE (25), diethylacetic acid, propanedioic acid, succsinic acid, pimelic acid, fumaric acid, toxilic acid, lactic acid, tartrate, oxysuccinic acid, phenylformic acid, Whitfield's ointment, 2-or 3-phenylpropionic acid, citric acid, glyconic acid, xitix, nicotinic acid, Yi Yansuan, methylsulfonic acid or ethyl sulfonic acid, ethionic acid, 2-ethylenehydrinsulfonic acid, Phenylsulfonic acid, tosic acid, naphthalene-sulfonic acid and naphthalene disulfonic acid and lauryl sulfate.With the salt that unacceptable acid on the physiology forms, for example picrate can be used to separate and/or purifying formula I compound.
In addition, can be converted to a kind of its physiologically acceptable metal-salt or ammonium salt by acid with alkali reaction formula I.Suitable especially salt is sodium, potassium, magnesium, calcium and amine salt, also has the ammonium salt that replaces, dimethyl ammonium for example, diethyl ammonium salt or diisopropyl ammonium salt, single ethanol ammonium salt, di-alcohol ammonium salt or tri ethanol ammonium salt, cyclohexyl amine salt and dicyclohexyl ammonium salt, dibenzyl ethylene ammonium salt, for example also have, with N-methyl-D-glutamine or the salt that forms with arginine or Methionin.
The new compound of formula I and their physiologically acceptable salt is by mixed with at least a vehicle or auxiliary agent with it, if desired, drops into one or more active substances and to be used to prepare pharmaceutical preparation in the suitable medicine type.The goods that make like this can be used as medicine and be used for human body or animal doctor.Suitable material as vehicle is that those (for example are suitable for enteron aisle, oral or rectum), parenteral (for example, intravenous injection) or local (for example, skin, the surface, eye or nose) take or be suitable for that the inhalation Sprayable is taken and not with organism or the inorganics of new compound reaction, example is water or isoosmotic salt brine solution, lower alcohol, vegetables oil, benzyl alcohol, polyoxyethylene glycol, triacetin and other glycerin fatty acid ester, gelatin, soybean lecithin, carbohydrate such as lactose or starch, Magnesium Stearate, talcum, Mierocrystalline cellulose and Vaseline, oral form is tablet particularly, film coated tablets, capsule, syrup, or drops; The film coated tablets and the capsule that have anti-gastric juice coating or capsule set come on the scene especially.Suppository can be used to rectum and take, but not enteron aisle takes and then use solution, and the preferred oiliness or the aqueous solution also have suspension, milk sap or graft.The example that is suitable for the medicament forms taken the part is a solution, and the form that it can the collyrium drops uses and other example is suspension, milk sap, creme, ointment or bandage.For the mode of taking of inhalation spraying, can use to contain to be dissolved in or to be suspended in propulsive gas or propulsive gas mixture (for example, CO 2The spraying of active substance or fluorochlorohydrocarbon).Active substance preferably is used with micronized form in this case, can have the physiologically acceptable solvent that one or more add, and for example, ethanol can be prepared inhalation solution with common sucker.The lyophilized products that new compound can be frozen drying and generation can be used to, for example, and preparation injection goods.This moment injection can be huge nine doses or put (for example, in vein, muscle, the subcutaneous or sheath) with continuous notes and carry out.Described goods can be sterilized and/or can be contained auxiliary agent, and as sanitas, stablizer and/or wetting agent, emulsifying agent influences the salt of osmotic pressure, buffer material, tinting material and/or flavouring agent.If desired, they also can contain one or more other active substances, for example one or more VITAMIN.
According to material of the present invention usually by taking with the similar method of other known commercial available polypeptide, especially for take in the compound similar methods described in US-A-4472305, preferred dosage is about 0.05-500mg, 0.5-100mg particularly, every dose unit.Every day dosage preferably approximately 0.01-2mg/kg body weight.But, the given dose of each given patient depends on many factors, for example, and the effectiveness of used specific compound, age, body weight, healthy general state, diet, the combination of time of administration and approach, drainage rate, medicine and the seriousness of the state of an illness separately.It is preferred that non-enteron aisle is taken.
In addition, the new compound of formula I can be used as the preparation affinity column, is used to prepare pure integral protein.
Herein, part is the peptide derivant of formula I, through the positioning function base covalently coupling on polymer support.
The suitable polymer blend solid support material is itself to be solid polymer phase known and preferably possess hydrophilic property in chemistry of peptides, and example is crosslinked glycan such as Mierocrystalline cellulose, Sepharose or Sephadex , acrylamide, be the polymkeric substance or the Tentakel of matrix with the polyoxyethylene glycol RPolymkeric substance.
Be connected in the suitable orientating group linear alkylene chain of 2-12 carbon atoms preferably on the polymer support, the one end is directly connected on the polymkeric substance, the other end have a functional group as, hydroxyl, amino, sulfydryl, dimaleoyl imino or-COOH, and be suitable for being connected with the function side chain of corresponding peptide.
Peptide directly might be connected in this respect or, if desired, be positioned on the polymkeric substance through second orientating group.
In addition, be that the amino-acid residue of an integral part of the peptide of formula I can be modified side chain so that it is through SH, OH, NH to some 2Or the COOH base might be positioned on the polymkeric substance.
The example of the amino-acid residue that can directly be used as its side chain of orientating group is for example Arg or Asp.
Can be by free NH 2The example of group bonded orientating group is following group, as-CO-C nH 2n-NH 2,-CO-C nH 2n-OH ,-CO-C nH 2n-SH or-CO-C nH 2n-COOH is n=2-12 wherein, and the chain length of alkylidene group is not really strict: if desired, this chain can be whole or in part by for example, suitable aryl or alkylaryl substitute.
The example that can be connected to C-terminal orientating group that free acidic groups closes is-O-C nH 2n-SH ,-O-C nH 2n-OH, O-C nH 2n-NH 2,-O-C nH 2n-COOH ,-NH-C nH 2n-SH ,-NH-C nH 2n-OH ,-NH-C nH 2n-NH 2Or-NH-C nH 2n-COOH, n and alkylidene chain are all as described in the epimere.
The preparation that is used for the affinity chromatography material of purifying integral protein be routine and itself be known for amino acid condensation and under the condition that the relevant portion of the preparation of formula I compound was narrated, implemented.
For the orientating group that contains mercaptan, addition reaction, for example to carry out the Michael addition be contingent with the reaction that forms maleimide derivatives or disulphide to the mercaptan that combines with polymkeric substance.
Used temperature is ℃ in the context, and " routine operation " is meant in the example of back: if must add entry, mixture is neutralized, with ether or dichloromethane extraction, be separated the organic phase dried over sodium sulfate, filter evaporation concentration and chromatogram purification and/or crystallization on silica gel.Rt=HPLC is at the A:Lichrosorb RP of system RSelect B (250 * 4; 5 μ m or the B:Lichrosorb of system RRP18 (250 * 4; 5 μ m) retention time (branch) on, eluent (system A): the 0.3%TFA aqueous solution; 50 minutes formation 0-80vol% Virahol gradients when flow velocity is 1ml/min; Detect in the 215nm place.Eluent (system B): the eluent A:0.1%TFA aqueous solution; The acetonitrile/water of eluent B:0.1%TFA (9: 1) solution; Gradient 20-90%B; Flow velocity with 1ml/min formed in 50 minutes.M +=with " fast atom bombardment(FAB) " (FAB) mass spectral molecule peak of obtaining of method, shown in molecular weight compare with the value of being calculated and increased a mass unit.Embodiment 1
Dilute 0.4gH-Arg (Mtr)-Gly-Asp-Btd-ONa[with the 85ml methylene dichloride it can be by removing the FMOC group and using TFA/CH with piperidines/DMF 2Cl 2(1: 1) is removed resin and is derived from FMOC-Arg (Mtr)-Gly-Asp-Btd-O-Wang,-O-Wang is the residue of employed 4-oxygen methylenedioxy phenoxy methyl polystyrene resin in the improved Merrifield technology] 15ml DMF solution, and use 50mg NaH-CO 3Handle.In the dry ice/acetone mixture, after the cooling, add 40 μ l diphenyl phosphoryl azides.After leaving standstill 16 hours under the room temperature, concentrated solution.Filtering and concentrating thing (the SephadexG10 post is in isopropanol 8: 2) passes through HPLC purifying in the usual way then, obtain encircling-(Arg (Mtr)-Gly-Asp-Btd).
Similarly, can obtain following cyclic peptide by cyclisation corresponding linear peptide: ring (Arg (Mtr)-Gly-Asp-(S) Gly[ANC-2]-Leu); Ring-(Arg (Mtr)-Gly-Asp-(R) Gly[ANC-2]-Leu); Ring-(Arg (Mtr)-Gly-Asp-(S, S) spiroPro-Leu); Ring-(Arg (Mtr)-Gly-Asp-Biph1); Ring-(Arg (Mtr)-Gly-Asp-Biph2); Ring-(Arg (Mtr)-Gly-Asp-Act); Ring-(Arg (Mtr)-Gly-Asp-Btd-Val); Ring-(Arg (Mtr)-DAla-Asp-Btd-Val); Ring-(Arg (Mtr)-Gly-Asp-Aha);
Ring-(Arg (Mtr)-DAla-AspBtd);
Ring-(Arg (Mtr)-DAla-Asp-(S) Gly[ANC-2]-Leu);
Ring-(Arg (Mtr)-DAla-Asp-(R) Gly[ANC-2]-Leu);
Ring-(Arg (Mtr)-DAla-Asp-(S, S) spiroPro-Leu); Ring-(Arg (Mtr)-DAla-Asp-Biph1); Ring-(Arg (Mtr)-DAla-Asp-Biph2); Ring-(Arg (Mtr)-DAla-Asp-Act). embodiment 2
With 0.28g ring-(Arg (Mtr)-(8.4ml TFA solution, 1.7ml methylene dichloride and the 0.9ml thiophenol of Gly-Asp-Btd) [can obtain by cyclisation by embodiment 1 is described] left standstill under room temperature 4 hours, concentrated dilute with water and cooling drying then.Go up gel-filtration at Sephadex G10 (acetic acid/water 1: 1), then under the described conditions by preparation property HPLC purifying, obtain encircling-(Arg-Gly-Asp-Btd); RT=13.2; M +=527.
Similarly, can obtain following cyclic peptide: by the ring-(Arg (Mtr)-Gly-Asp-(S) Gly[ANC-2]-Leu) make:
Ring-(Arg-Gly-Asp-(S) Gly[ANC-2]-Leu); RT=4.8;
M +525; By the ring--(Arg (Mtr)-Gly-Asp-(R) Gly[ANC-2]-Leu) make:
Ring-(Arg-Gly-Asp-(R) Gly[ANC-2]-Leu); RT=6.3;
M +525; By the ring-(Arg (Mtr)-Gly-Asp-(S, S) spiroPro-Leu) makes:
Ring-(Arg-Gly-Asp-(S, S) spiroPro-Leu); RT=14.6;
M +565; By the ring--(Arg (Mtr)-Gly-Asp-Biph1) make:
Ring--(Arg-Gly-Asp-Biph1); RT=20.7; M +538; Make by ring-(Arg (Mtr) Gly-Asp-Biph2):
Ring-(Arg-Gly-Asp-Biph2); RT=20.8; M +538; By the ring-(Arg (Mtr)-Gly-Asp-Act) make:
Ring-(Arg-Gly-Asp-Act), RT=14.3; M +547; By the ring-(Arg (Mt)-Gly-Asp-Btd-Val) make:
Ring-(Arg-Gly-Asp-Btd-Val); By the ring-(Arg (Mtr)-DAla-Asp-Btd-Val) make:
Ring-(Arg-DAla-AspBtd-Val); By the ring-(Arg (Mtr)-Gly-Asp-Aha) make:
Ring-(Arg-Gly-Asp-Aha) embodiment 3
(Arg-Gly-Asp-Btd) is dissolved among the 0.01M HCl 5-6 times, and dissolves the postcooling drying each time with 80mg ring.Pass through the HPLC purifying then, obtain encircling-(Arg-Gly-Asp-Btd) * HCl.
Similarly, can obtain following cyclic peptide: by encircle-(Arg-Gly-Asp-Aha) making:
Ring-(Arg-Gly-Asp-Aha) * HCl; By encircle-(Arg-Gly-Asp-Btd-Val) making:
Ring-(Arg-Gly-Asp-Btd-Val) * HCl; By encircle-(Arg-Gly-Asp-Btd-Val) making:
Ring-(Arg-DAla-Asp-Btd-Val) * HCl;
By the acetic acid treatment ring-(Arg-DAla-Asp-Btd-Val), obtain:
Ring-(Arg-DAla-Asp-Btd-Val) * H 3C-COOH;
By 0.01N nitric acid treatment ring-(Arg-Gly-Asp-Aha), obtain;
Ring-(Arg-Gly-Asp-Aha) * HNO 3Embodiment 4
For preparing affine phase, with 0.9gCl-(CH 2) 3-CO-NH-(CH 2) 3Polymkeric substance [can pass through Cl-(CH 2) 3-COOH and H 2N-(CH 2) 3The condensation of polymkeric substance obtains] be suspended in the 10ml 0.1M sodium phosphate buffer (pH7), and add 1 equivalent ring-(Arg (Mtr)-Gly-Asp (ONa)-Btd in 4 °.Stirred reaction mixture 4 hours is warming up to room temperature simultaneously, leaches solid residue, and with 10ml damping fluid (pH7) washed twice, uses the 10ml water washing then three times, obtains ring-(Arg (Mtr)-Gly-Asp (O (CH 2) 3-CONH-(CH 2) 3-polymkeric substance)-Btd).Embodiment 5
Similarly, by removing decyclization-(Arg (Mtr)-Gly-Asp (-O-(CH 2) 3-CONH-(CH 2) 3Mtr group in the-polymkeric substance-Btd) can obtain ring-(Arg-Gly-Asp (O-(CH 2) 3-CONH-(CH 2) 3-polymkeric substance)-Btd).Embodiment 6
Similar to Example 4, condensation gathers-O (CH usually 2) 3-NH 2(commercially available) and ring-(Arg-Gly-Asp-Biph1) can obtain: ring (Arg-Gly-Asp-(NH-(CH 2) 3-O-polymkeric substance)-Bipb1).
Equally, by condensed ring-(Arg-Gly-Asp-Btd-Val) and H 2N (CH 2) 3-O-polymkeric substance obtains: ring-(Arg-Gly-Asp-(NH-(CH 2) 3-O-polymkeric substance)-Btd-Val).
Following examples relate to pharmaceutical preparation.
Embodiment A: injection vials
Cyclic peptide and the solution of 5 gram Sodium phosphate dibasics in 3 liters of redistilled waters of 100 gram formula I are adjusted to pH=6.5 with 2N hydrochloric acid, filter-sterilized, with its injection vials neutralization lyophilize under aseptic condition then of packing into, with under aseptic condition with little bottle closure, each injection vials contains 5 milligrams of active substances.
Embodiment B: suppository
The active substance and 100 of 20 gram formula I is restrained the mixture melt that soybean lecithins and 1400 restrain the cocoa cream, pour the mould neutralization into and leave standstill cooling, each suppository contains 20 milligrams of active substances.
Embodiment C: solution
With 1 gram formula I active substance, 9.38 gram NaH 2PO 4* 2H 2O, 28.48 gram Na 2HPO 4* 12H 2O and 0.1 gram benzylidene Cicuta muriate are dissolved in 940 milliliters of redistilled waters and make a kind of solution, and solution is adjusted to pH=6.8, are diluted to 1 liter and illumination-based disinfection, and this solution can use in the mode of collyrium.
Embodiment D: ointment
Active substance and 99.5 gram Vaseline with 500 milligrams formula I under aseptic condition mix.
Embodiment E: tablet
The mixture of cyclic peptide, 1kg lactose, 600g avicel cellulose, 600g W-Gum, 80g talcum and the 10g Magnesium Stearate of 100g formula I is compressed the formation tablet in the mode of routine, and every contains 10 milligrams of active substances.
Embodiment F: film coated tablets
With forming tablet with the similar method of embodiment E and filming with the coating that contains sucrose, W-Gum, talcum, tragacanth gum and tinting material in the mode of routine then.
Embodiment G: capsule
In the mode of routine, load into hard gelatine capsule with the active substance of formula I, make each capsule contain 5 milligrams active substance.
Embodiment H: suck sprays
14g formula I active substance is dissolved in 101 grades oozes NaCl solution, and this solution is injected the commercially available automiser spray with pumping unit.This solution can be sprayed onto in oral cavity or the nasal cavity, and a spray amount (about 0.1ml) is equivalent to about 0.14mg dosage.

Claims (10)

1. the cyclic peptide of formula I or its can be made medicinal salt:
Ring-(Arg-A-Asp-R 1-R 2) I wherein
A is Gly or Ala,
R 1Be 2-carboxyl-8-amino-4-sulfo-piperolidine-9-ketone (Btd), O-amino methyl-O '-carboxyl biphenyl (Biph), 2-amino methyl-5-carboxyl methyl-thiophene (Act), or 6-hexosamine residue (Aha) or 2-(1,7-diaza spiro [4.4] ninth of the ten Heavenly Stems-7-yl)-4-methylvaleric acid ((S, S) spiral shell-Pro-Leu) or 2-(3-amino-1-tetramethyleneimine-2-ketone group)-4-methylvaleric acid residue ((S) Gly[ANC-2]-Leu or (R) Gly[ANC-2]-Leu), residue is by the peptide bond bonding under each situation
R 2Do not exist or for Val.
(a) ring-(Arg-Gly-Asp-(S) Gly[ANC-2]-Leu);
(b) encircle-(Arg-Gly-Asp-(R) Gly[ANC-2]-Leu); (c) ring-(Arg-Gly-Asp-(S, S) spiro-Pro-Leu);
(d) encircle-(Arg-Gly-Asp-Act);
(e) encircle-(Arg-Gly-Asp-Btd);
(f) encircle-(Arg-Gly-Asp-Aha);
(g) encircle-(Arg-Gly-Asp-Btd-Val); (h) encircle-(Arg-DAla-Asp-Btd-Val).
3. the enantiomorph or the diastereomer of the described formula I compound of claim 1.
4. the preparation method of the described formula I compound or its salt of claim 1 is characterized in that it is by discharging from its a kind of functional derivatives with solvolysis or hydrogenolysis agent treated,
Or be that H-Z-OH (II) wherein Z is with peptide or its reactive derivatives of cyclizing agent processing formula II
-Arg-A-Asp-R 1-R 2-
-A-Asp-R 1-R 2-Arg-
-Asp-R 1-R 2-Arg-A-
-R 1-R 2-Arg-A-Asp-or
-R 2-Arg-A-Asp-R 1-，
And/or be by make formula I alkalescence or acidic cpd be converted into its a kind of salt with acid or alkaline purification.
5. method for preparing medicine is characterized in that the formula I compound of claim 1 and/or its a kind of physiologically acceptable salt are made suitable formulation with at least a solid or semisolid excipient or auxiliary agent.
6. medicine is characterized in that it contains that the formula I compound of at least a claim 1 and/or its are a kind of makes medicinal salt.
7. the formula I compound of claim 1 maybe can be done the application of medicinal salt in preparing the medicine that can treat disease.
8. the formula I compound of claim 1 or its can be done the application of medicinal salt in control disease.
9. the formula I compound of claim 1 or its can be done medicinal salt is used for the fixed ligand of affinity column in production application.
10. the application of the formula I compound of claim 1 in passing through the affinitive layer purification integral protein.
CNB951052004A 1994-04-30 1995-04-28 Cyclopeptides of the formulal Expired - Lifetime CN1161374C (en)

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CN108137694A (en) * 2015-09-18 2018-06-08 慕尼黑工业大学 The ligand of αvβ6 Integrin and its synthesis and application

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